My Stepson has this bow and asked me about what it was made of, I am terrible at identifying wood and need your help.
I hope the pictures show it well enough.

Is it several different woods or just stained differently? Thanks!

I'd say ipe backed with hickory, with an oak riser.  Maybe red elm for the backing.

The back kind of looks like a hickory backing cut straight from the back of a log.  It looks like some of the cambium is still on it.

I agree with Apex about the ipe and the handle does look like oak.  Not sure about the thin handle laminate;  maybe osage?

Aaron

I agree. Hickory backed ipe.